Physics 112 Prepared for the diffraction lab (see documents section for handouts). Diffraction Lab is Tuesday, Oct. 19. Sound, Light, and DIffraction test next Tuesday, Oct. 26. Physics 122 Applications of Vectors.  Continue with the worksheet. Quiz with 2 questions Tuesay, Oct 19. Comp Sci 110 Progress reports were handed out. Time was given to finished missed work and to start unit 6 and 7.